Basic HTML Version
598
Location : on left bank at the bridge on highway.
-
sq.km.
Amphoe
Bo Rai
Changwat
Trat
Ban
Bo Rai
WATER YEAR : 2014
EAST COAST - GULF BASIN
Khlong Nak at Ban Bo Rai , Trat (Z.59)
Lat 12 - 21 - 45 N Long 102 - 32 - 38 E
Drainge Area
Water - stage recorder
+16.570 m. (MSL.)
B.M.-H.D.
On left bank near the gage site.
Elevation
Recording
Arithmetic mean of 24 readings
2010 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+25.570 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
2010 to date
-
2010 to date
Stable.
Overbank flow starts at elevation +25.290 m.(MSL.), records are channel flow only.
Records good. Stage-discharge relation defined by 15 discharge measurements made in 2014.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Period of Rating
Rated by Flot
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
21.85
21.89
21.87
20.65
20.46
20.64
20.20
21.97
21.92
21.87
21.85
21.87
2
21.85
21.88
21.87
20.37
20.37
20.76
20.14
21.97
21.90
21.87
21.85
21.86
3
21.86
21.89
21.87
20.43
20.29
20.66
20.10
21.96
21.89
21.87
21.85
21.86
4
21.88
21.90
21.89
20.42
20.76
20.41
20.06
21.96
21.89
21.87
21.85
21.85
5
21.87
21.87
21.88
20.54
22.77
20.44
20.04
21.96
21.89
21.87
21.85
21.85
6
21.90
21.87
21.88
20.35
22.87
20.72
20.05
21.96
21.89
21.87
21.85
21.85
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
21.87
21.86
21.89
20.23
21.53
20.43
20.04
21.96
21.89
21.87
21.85
21.85
8
21.86
21.86
21.76
20.41
21.01
20.53
20.25
21.96
21.89
21.88
21.85
21.85
9
21.86
21.86
21.35
20.41
20.84
21.22
20.09
21.96
21.89
21.87
21.85
21.85
10
21.85
21.86
20.91
20.31
20.60
21.19
20.16
21.96
21.89
21.87
21.84
21.85
11
21.85
21.85
21.30
20.20
20.44
20.76
20.13
21.96
21.88
21.87
21.85
21.84
12
21.85
21.85
22.43
20.14
20.34
20.69
20.06
21.96
21.88
21.86
21.85
21.84
13
21.85
21.85
22.30
20.66
20.32
20.95
20.02
21.95
21.88
21.86
21.85
21.84
14
21.85
21.87
22.41
22.32
21.19
21.37
19.99
21.95
21.88
21.86
21.85
21.84
15
21.85
21.87
21.43
20.82
20.40
20.90
19.96
21.95
21.88
21.86
21.85
21.84
16
21.85
21.87
20.78
20.50
20.30
21.08
19.95
21.95
21.88
21.86
21.86
21.84
17
21.85
21.86
20.44
20.67
20.23
21.07
20.51
21.95
21.88
21.86
21.85
21.84
18
21.86
21.85
20.63
20.45
20.24
20.79
21.97
21.95
21.88
21.86
21.85
21.84
19
21.89
21.87
20.34
20.41
20.65
20.57
21.98
21.94
21.88
21.86
21.88
21.84
20
21.87
21.87
20.29
20.46
20.31
20.40
21.98
21.94
21.88
21.86
21.88
21.84
21
21.87
21.86
20.32
20.88
20.19
20.30
21.97
21.94
21.88
21.86
21.87
21.83
22
21.87
21.86
20.48
20.49
20.16
20.23
21.97
21.94
21.88
21.86
21.86
21.83
23
21.87
21.85
21.29
20.38
20.20
20.42
21.97
21.94
21.87
21.86
21.86
21.83
24
21.87
21.85
20.62
20.27
20.17
20.21
21.96
21.94
21.88
21.86
21.85
21.83
25
21.86
21.85
21.81
20.33
20.10
20.17
21.99
21.94
21.87
21.86
21.85
21.83
26
21.86
21.85
21.91
20.24
20.53
20.17
21.99
21.94
21.88
21.86
21.85
21.84
27
21.86
21.86
20.54
20.22
20.99
20.22
21.98
21.94
21.87
21.86
21.87
21.84
28
21.85
21.89
20.46
20.20
20.68
20.13
22.01
21.94
21.87
21.86
21.88
21.83
29
21.85
21.92
20.81
20.20
20.55
20.09
22.04
21.94
21.87
21.86
21.84
30
21.85
21.90
20.63
20.59
20.61
20.37
21.99
21.94
21.87
21.86
21.84
31
21.87
20.84
20.43
21.97
21.87
21.86
21.85
----------
--------------
Mean
21.86
21.87
21.28
20.50
20.66
20.60
20.95
21.95
21.88
21.86
21.86
21.84
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
21.90
21.92
22.43
22.32
22.87
21.37
22.04
21.97
21.92
21.88
21.88
21.87
22.87
Min
21.85
21.85
20.29
20.14
20.10
20.09
19.95
21.94
21.87
21.86
21.84
21.83
19.95
25.67
m. (MSL.) ,
16.57
m. (MSL.) ,
River Bed 16.45
m. (MSL.)
25.30
m. (MSL.) ,
25.29
m. (MSL.) ,
Drainage Area
Square Kilometers
at 20.00 Hours, on Aug 5, 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation